Are we talking wigs/toupees, some sort of implant, merkins, or all of the above? Do you consider hair plugs made of human hair to be prosthetic hair? Or in the case of implants would only synthetic fibers count?

Are we talking wigs/toupees, some sort of implant, merkins, or all of the above? Do you consider hair plugs made of human hair to be prosthetic hair? Or in the case of implants would only synthetic fibers count?